/Engine/Source/Developer/AnimationDataController/Public/AnimDataControllerActions.h
class FAddRichCurveKeyAction : public [UE::Anim::FAnimDataBaseAction](API\Developer\AnimationDataController\FAnimDataBaseAction)
FAnimationCurve...
CurveId
ERawCurveTrackT...
CurveType
FRichCurveKey
Key